Home / 259,077.02-357,520.90-144,355.20

Finding the Fourth Proportional to 259,077.02, 357,520.90 and 144,355.20

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Solution

The fourth proportional to 259,077.02, 357,520.90 and 144,355.20 is: 199,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,077.02 : 357,520.90 = 144,355.20 : x
  2. Step 2: Convert to fraction form
    259,077.02/357,520.90 = 144,355.20/x
  3. Step 3: Cross multiply
    259,077.02x = 357,520.90 × 144,355.20
  4. Step 4: Simplify right side
    259,077.02x = 51,610,001,023.68
  5. Step 5: Solve for x
    x = 51,610,001,023.68/259,077.02
  6. Step 6: Final answer
    x = 199,207.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.